/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft Yahei", sans-serif;
    background-color: #fff;
    color: #333;
}

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

/* 顶部导航栏样式 */
.top-nav {
    background-color: #0f2e4e;
    padding: 10px 0;
}

.top-nav ul {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.top-nav ul li {
    margin: 0 15px;
}

.top-nav ul li a {
    color: #fff;
}

.top-nav .right-nav {
    margin-left: auto;
}

/* 二级导航栏样式 */
.sub-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid #eee;
}

.sub-nav-left .logo {
    color: #0f2e4e;
    font-size: 24px;
    font-weight: bold;
    margin-right: 20px;
}

.sub-nav-left a {
    margin-right: 15px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    margin-left: 10px;
}

.icon-btn img {
    width: 20px;
    height: 20px;
}

/* 主体内容样式 */
.main-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 30px;
    border: 1px solid #eee;
    margin: 20px;
}

.image-container img {
    width: 400px;
    height: 250px;
    object-fit: cover;
    margin-right: 50px;
}

.form-container h3 {
    margin-bottom: 20px;
    font-weight: normal;
}

.form-input {
    display: block;
    width: 300px;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.verify-code {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.verify-code .form-input {
    margin-right: 10px;
    flex: 1;
}

.get-code {
    color: #007bff;
}

.error-msg {
    color: red;
    font-size: 12px;
    margin-top: 5px;
}

.login-btn {
    width: 300px;
    padding: 10px;
    background-color: #00a2e8;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    margin-bottom: 15px;
}

.has-account {
    font-size: 14px;
}

.has-account a {
    color: #007bff;
}

/* 底部样式 */
.footer {
    background-color: #0f2e4e;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.top-btn {
    display: inline-block;
    background-color: #333;
    color: #fff;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 50%;
    margin-bottom: 10px;
}